14509009 has 2 divisors, whose sum is σ = 14509010. Its totient is φ = 14509008.

The previous prime is 14508997. The next prime is 14509013. The reversal of 14509009 is 90090541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12250000 + 2259009 = 3500^2 + 1503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14509009 is a prime.

It is a super-2 number, since 2×14509009² = 421022684324162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14509709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7254504 + 7254505.

It is an arithmetic number, because the mean of its divisors is an integer number (7254505).

Almost surely, 2^14509009 is an apocalyptic number.

It is an amenable number.

14509009 is a deficient number, since it is larger than the sum of its proper divisors (1).

14509009 is an equidigital number, since it uses as much as digits as its factorization.

14509009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 14509009 is about 3809.0693088995. The cubic root of 14509009 is about 243.9004397632.

The spelling of 14509009 in words is "fourteen million, five hundred nine thousand, nine".